(19)

(11)

EP 4 452 649 A1

(12)

(43) Date of publication: 30.10.2024 Bulletin 2024/44 (21) Application number: 21970163.8 (22) Date of filing: 31.12.2021

(51) International Patent Classification (IPC):  B41F 19/06(2006.01) B41F 16/00(2006.01) (52) Cooperative Patent Classification (CPC): B41F 16/0033; B41F 16/006; B41F 13/06; B41F 23/0409 (86) International application number: PCT/TR2021/051675 (87) International publication number: WO 2023/128919 (06.07.2023 Gazette 2023/27)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: DEV SANAYI TEKNOLOJILERI ANONIM SIRKETI 34149 Bakirköy/Istanbul (TR)	(72) Inventors: ÖZVURAL, Ergin Esenyurt/ (TR) BAYD LL , Barbaros Esenyurt/ (TR) (74) Representative: Yamankaradeniz, Kemal  Destek Patent Inc. Maslak Mah. Büyükdere Cad., No: 243 Kat: 13, Spine Tower, Sariyer 34485 Istanbul 34485 Istanbul (TR) (56) References cited: :